[GHC] #595: Overhaul GHC's overlapping/non-exhaustive pattern checking

[GHC]

#595: Overhaul GHC's overlapping/non-exhaustive pattern checking
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    Reporter:  simonmar          |        Owner:                    
        Type:  task              |       Status:  new               
    Priority:  normal            |    Milestone:  _|_               
   Component:  Compiler          |      Version:  None              
    Severity:  normal            |   Resolution:  None              
    Keywords:  warnings          |   Difficulty:  Difficult (1 week)
    Testcase:  N/A               |           Os:  Unknown/Multiple  
Architecture:  Unknown/Multiple  |  
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Comment (by simonpj):

 Also look at #3078: pattern guards.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/595#comment:10>
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